新品
Lexar NM990
Capacity 4TB
Form Factor M.2
Interface PCIe 5.0 x4
Read Speed 14,000 MB/s
NAND TLC
Endurance 3000 TBW
82 综合评分
价格 US$763
概览
优缺点
优点
- Strong random (98th percentile) 98th
- Strong speed (97th percentile) 97th
- Strong capacity (93rd percentile) 93rd
- Strong endurance (77th percentile) 77th
缺点
- Below average social proof (28th percentile)
实测数据
性能表现
规格参数
完整规格参数
Drive
| Capacity | 4000 |
| Form Factor | M.2 |
| Interface | PCIe 5.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 5 |
| External | No |
Performance
| Sequential Read (MB/s) | 14000 |
| Sequential Write (MB/s) | 11000 |
| Random Read (IOPS) | 2000000 |
| Random Write (IOPS) | 1500000 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 3000 |
| MTBF (hours) | 1500000 |
竞品对比
| Spec | Lexar NM990 | Samsung 9100 PRO | Western Digital WD_BLACK SN850X | Crucial T710 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R |
|---|---|---|---|---|---|---|
| Capacity | 4TB | 8TB | 4TB | 4TB | 2TB | 4TB |
| Form Factor | M.2 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 14,000 MB/s | 14,800 MB/s | 7,300 MB/s | 14,500 MB/s | 7,300 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | false | true | false |
| Endurance | 3000 TBW | 4800 TBW | 2400 TBW | 2400 TBW | 2000 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | Speed | Random | Feature | Capacity | Endurance | 用户口碑 |
|---|---|---|---|---|---|---|
| Lexar NM990 | 96.9 | 97.8 | 71.8 | 92.8 | 76.8 | 28.1 |
| Samsung 9100 PRO Compare | 99 | 99.7 | 99.8 | 98.2 | 86 | 95.6 |
| Western Digital WD_BLACK SN850X Compare | 88 | 94.8 | 93.8 | 92.8 | 81 | 95.6 |
| Crucial T710 Compare | 98.7 | 98.7 | 85.6 | 92.8 | 86 | 79.7 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.7 | 93.4 | 93.8 | 78.4 | 94 | 95.6 |
| Seagate FireCuda 530R Compare | 92.2 | 96.2 | 53.3 | 92.8 | 95.6 | 88.5 |
价格
性价比分析
最低 US$763
Amazon 1 个报价 最低 US$763
我们自 2026年11月8日 起追踪该产品的价格。数据增多后将显示图表。
使用场景评分
完整评测即将发布。上方的规格、评分、价格和图表始终保持最新。
